Hi,
From the policy it looks like cobbler should only be allowed to
"append" to the log file and not "write" (overwrite) it:
allow daemon logfile:file { append getattr ioctl lock };
So the question is, why is cobbler doing something other than appending
to its log?
Cheers
Phil
On Sat, 2020-10-24 at 21:27 -0600, Orion Poplawski wrote:
I'm seeing the following on my Rawhide VM:
type=AVC msg=audit(1603594049.879:534): avc: denied { write } for
pid=1073 comm="cobblerd" name="cobbler.log" dev="dm-0"
ino=663024
scontext=system_u:system_r:cobblerd_t:s0
tcontext=system_u:object_r:cobbler_var_log_t:s0 tclass=file
permissive=0
This makes no sense to me. sesearch seems to indicate that this
should
be allowed (as you would expect):
# sesearch -s cobblerd_t -t cobbler_var_log_t --allow
allow cobblerd_t cobbler_var_log_t:dir { add_name getattr ioctl lock
open search write };
allow cobblerd_t cobbler_var_log_t:file { create open read setattr };
allow cobblerd_t file_type:filesystem getattr;
allow daemon logfile:file { append getattr ioctl lock };
allow domain file_type:blk_file map; [ domain_can_mmap_files ]:True
allow domain file_type:chr_file map; [ domain_can_mmap_files ]:True
allow domain file_type:file map; [ domain_can_mmap_files ]:True
allow domain file_type:lnk_file map; [ domain_can_mmap_files ]:True
selinux-policy-3.14.7-6.fc34.noarch
5.10.0-0.rc0.20201021git071a0578b0ce.49.fc34.x86_64
What am I missing?
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